High Alumina Refractory Bricks SK36 are engineered for use in extreme high-temperature environments, offering outstanding heat resistance and durability. Made from premium bauxite and additives, these bricks have an Al₂O₃ content of 48%, making them suitable for a wide range of industrial applications, including cement kilns, blast furnaces, and glass kilns. They feature superior thermal shock resistance, high mechanical strength, and excellent performance under harsh conditions.
These SK36 high alumina bricks are ideal for various types of furnaces and kilns that require resistance to molten metal, slag, and extreme heat, making them the perfect choice for industries such as steel, cement, glass, and more.
Physicochemical Parameters
| Items | SK-40 | SK-38 | SK-37 | SK-36 | SK-35 |
|---|---|---|---|---|---|
| AI₂O₃ ≥ , % | 80 | 75 | 65 | 55 | 48 |
| Bulk density, g/cm³ | 2.7-2.8 | 2.4-2.65 | 2.3-2.35 | 2.25-2.3 | 2.1-2.2 |
| Apparent Porosity, % | 20-22 | 20-22 | 23-24 | 23-24 | 23-26 |
| Cold crushing strength, Mpa | 65 | 55 | 50 | 45 | 40 |
| Refractoriness, ℃ | 1790 | 1790 | 1790 | 1770 | 1750 |
| Refractoriness under loading, 0.2MPa | 1600 | 1520 | 1480 | 1450 | 1420 |
| Permanent liner change of Reheating, % 1500℃, 2h |
-0.4~0.1 | -0.4~0.1 | -0.4~0.1 | -0.4~0.1 | -0.4~0.1 |
Product Features
- Thermal Shock Resistance: Excellent resistance to rapid temperature fluctuations, maintaining integrity under sudden temperature changes.
- Low Creep Rate: Retains its strength and dimensional stability even after prolonged exposure to high temperatures, ensuring extended service life.
- Excellent Chemical Erosion Resistance: Performs well in environments exposed to molten metal, slag, and other aggressive substances.
- Customization Options: Available in a variety of sizes and shapes, customizable to meet specific furnace designs and operational needs.
- Superior Durability: High resistance to wear and tear, making it ideal for use in industries that demand longevity and reliable performance.
- Versatile Applications: Ideal for use in various industrial furnaces, including blast furnaces, cement kilns, electric arc furnaces, and glass kilns.
Applications
SK36 high alumina bricks are widely used in several industries, providing reliable solutions for critical thermal applications, such as:
- Blast Furnaces: Lining material for blast furnace shells, offering resistance to molten metal and slag.
- Electric Arc Furnaces (EAF): Used for lining the roof and walls, providing high mechanical strength and thermal stability.
- Cement Kilns: Offering durable, high-temperature resistance for cement manufacturing processes.
- Glass Kilns: Providing excellent resistance to molten glass and other harsh materials.
- Reheating Furnaces: Protecting furnace linings from heat damage, ensuring optimal performance.
- Ladle Linings: Preventing erosion from molten metal in steel and non-ferrous metal industries.
Customization Services
We understand that each furnace or kiln has unique requirements. Our High Alumina Refractory Bricks can be customized in:
- Sizes: Custom dimensions to meet specific furnace or kiln needs.
- Shapes: Tailored to various applications, including arch bricks, checker bricks, and more.
- Colors: Custom colors available to match aesthetic or operational requirements.
Packing and Shipping Details
Our High Alumina Refractory Bricks are securely packed using eco-friendly materials to ensure safe delivery.
- Shipping Methods: Available via sea, air, or road, depending on the order size and destination.
- Delivery Time: 5-7 business days for domestic orders; 7-21 business days for international orders.
- Tracking: Tracking information will be provided upon dispatch.
- Customs Fees: International orders may incur customs duties, taxes, and import fees, which are the responsibility of the customer.
- Returns: Defective items can be returned within 7 days of receipt.
About Xintai Refractory
Xintai Refractory is a leading manufacturer specializing in high-quality refractory materials with over 20 years of industry experience. We provide a wide range of refractory products including bricks, castables, and monolithic refractories for industries such as steel, cement, glass, ceramics, and non-ferrous metals. Known for our superior quality and performance, Xintai Refractory offers tailored solutions to meet the most demanding high-temperature applications.























